#C0CD00
Closest named color: Yellow Green (#9ACD32). oklch(81.1% 0.183 114.3), rgb(192, 205, 0).
Aa
Black text reads best on this color (11.97:1).
About this color
#C0CD00 is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.183 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.047 away. Black text reads best on it, at 11.97:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 11.97:1 |
| White text | 1.75:1 |
Values
| HEX | #C0CD00 |
| RGB | rgb(192, 205, 0) |
| HSL | hsl(64, 100%, 40%) |
| OKLCH | oklch(81.1% 0.183 114.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #C0CD00 | 1.75:1 | Fails | Lc -35.7 | Non-text elements, placeholder text |
| Black text on #C0CD00 | 11.97:1 | AAA | Lc 72.0 | Content text, not long reading |
| #C0CD00 text on white | 1.75:1 | Fails | Lc 31.8 | Non-text elements, placeholder text |
| #C0CD00 text on black | 11.97:1 | AAA | Lc -70.9 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#F5F8E5
oklch(97.2% 0.025 114.1)
-
Step 100
100
#E9EFC7
oklch(93.7% 0.053 114.4)
-
Step 200
200
#D7E192
oklch(88.4% 0.102 114.4)
-
Step 300
300 (this color)
#C0CD00
oklch(81.1% 0.183 114.3)
-
Step 400
400
#A0AB00
oklch(70.8% 0.16 114.3)
-
Step 500
500
#899200
oklch(63.1% 0.142 114.1)
-
Step 600
600
#737B00
oklch(55.7% 0.125 114.2)
-
Step 700
700
#606700
oklch(49.1% 0.111 114.3)
-
Step 800
800
#4E5400
oklch(42.6% 0.096 114.4)
-
Step 900
900
#414600
oklch(37.7% 0.085 114.3)
-
Step 950
950
#262900
oklch(26.9% 0.06 113.9)
#C0CD00 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #DDC200 | 0.049 |
| Deuteranopia (no green cones) | #DCC527 | 0.048 |
| Tritanopia (no blue cones) | #CEC0AE | 0.161 |
| Achromatopsia (no color) | #C3C3C3 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C0CD00
#C0CD00
oklch(81.1% 0.183 114.3)
- #C5B4FF
#C5B4FF
oklch(81.1% 0.106 294.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C0CD00, closest first.
No curated palette has a color within ΔE 0.04 of #C0CD00.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.047
- Mustard Yellow #D2BD0A ΔE 0.048
- Slime Green #99CC04 ΔE 0.050
- Pea #A4BF20 ΔE 0.056
- Olive Yellow #C2B709 ΔE 0.058
- Dark Yellow #D5B60A ΔE 0.065
- Mustard #CEB301 ΔE 0.069
- Pale Olive Green #B1D27B ΔE 0.071
Use #C0CD00 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.